Answer:
Your answer is D It does not need to be repeatable.
the reason for this is because C is correct.
You need to be able to experiment on something multiple times so that you can gather further data to imbedded your evidence in facts.
Answer: they have the same magnitude.
Explanation:
normal force = mg
weight = mg
Answer:
The answer to your question is C
Explanation:
acceleration is a vector quantity because it has both magnitude and direction
X-rays and gamma rays are the only electromagnetci waves with a shorter wavelength, gamma rays being the smallest. Hope this helps ;)
